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109 lines
2.9 KiB
109 lines
2.9 KiB
2 years ago
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local _, addon = ...
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local Gemma = addon.Gemma;
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local RequestLoadItemDataByID = C_Item.RequestLoadItemDataByID;
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local GetItemInfo = C_Item.GetItemInfo;
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local GetItemIcon = C_Item.GetItemIconByID;
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local IsItemDataCachedByID = C_Item.IsItemDataCachedByID;
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local type = type;
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local ItemCache = CreateFrame("Frame");
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Gemma.ItemCache = ItemCache;
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ItemCache:SetScript("OnEvent", function(self, event, ...)
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if event == "ITEM_DATA_LOAD_RESULT" then
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local id, success = ...
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if self.callbacks[id] then
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if success then
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self:CacheItem(id, true);
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if type(self.callbacks[id]) ~= "boolean" then
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self.callbacks[id]:OnItemLoaded(id);
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end
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end
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self.callbacks[id] = nil;
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end
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self.t = 0;
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end
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end);
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function ItemCache:OnUpdate(elapsed)
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self.t = self.t + elapsed;
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if self.t > 0.5 then
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self.t = 0;
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self.counter = self.counter + 1;
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local anyPending;
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for k, v in pairs(self.callbacks) do
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anyPending = true;
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break
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end
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if anyPending and self.counter < 2 then
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else
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self:StopLoading();
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end
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end
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end
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function ItemCache:StopLoading()
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self:SetScript("OnUpdate", nil);
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self:UnregisterEvent("ITEM_DATA_LOAD_RESULT");
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self.isCaching = nil;
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self.callbacks = nil;
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self.t = nil;
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self.counter = nil;
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end
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function ItemCache:RequestItemData(itemID, object)
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self.t = 0;
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self.counter = 0;
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self:SetScript("OnUpdate", self.OnUpdate);
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if not self.isCaching then
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self.isCaching = true;
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self:RegisterEvent("ITEM_DATA_LOAD_RESULT");
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if not self.callbacks then
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self.callbacks = {};
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end
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end
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self.callbacks[itemID] = object or true;
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RequestLoadItemDataByID(itemID);
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end
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function ItemCache:CacheItem(itemID, fromEvent, object)
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if not ItemCache[itemID] then
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if IsItemDataCachedByID(itemID) then
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local itemName, _, quality = GetItemInfo(itemID);
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local icon = GetItemIcon(itemID);
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ItemCache[itemID] = {itemName, icon, quality};
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--print(string.format("|T%s:0:0:0:0|t %s", icon, itemName));--debug
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elseif not fromEvent then
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self:RequestItemData(itemID, object);
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end
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end
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end
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function ItemCache:GetCacheItemDataByIndex(itemID, index, object)
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self:CacheItem(itemID, false, object);
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if ItemCache[itemID] then
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return ItemCache[itemID][index]
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end
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end
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function ItemCache:GetItemName(itemID, object)
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return self:GetCacheItemDataByIndex(itemID, 1, object)
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end
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function ItemCache:GetItemIcon(itemID, object)
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return self:GetCacheItemDataByIndex(itemID, 2, object)
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end
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function ItemCache:GetItemQuality(itemID, object)
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return self:GetCacheItemDataByIndex(itemID, 3, object)
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end
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